No English
You said Japanese, English in profile. Please, make it true and let us switch all those funny labels and help into English. You will sell it not only to Japanese kids, it worth it, believe me.

This app teaches elementary school students the correct stroke order and form of Chinese characters through interactive tracing on a tablet. It covers all mandatory characters, offers three practice levels, and provides additional character information. Gamified rewards encourage motivation and satisfaction.
1.2.4
April 27, 2021
iOS14 is now supported.
Soragaki is an educational application designed to teach elementary school students the correct stroke order and form of Chinese characters. It uses an interactive tracing method on a tablet.
Soragaki is suitable for children aged 4 and above, as indicated by its age rating. It is specifically designed for elementary school students.
Soragaki teaches stroke order by having users trace model Chinese characters on the screen with a stylus or finger. This interactive process helps learners master the correct sequence and form of each stroke.
Yes, Soragaki includes all Chinese characters that the Ministry of Education, Culture, Sports, Science and Technology formally regards as mandatory for elementary school students. These characters can be sorted by reading, stroke count, or radical.
Beyond stroke order and form, Soragaki offers special information about each character, including how to use it, motion pictures of the stroke order, and the derivation of the character. This aims to deepen understanding and engagement.
Soragaki motivates students by awarding a 'flower' mark on each mastered character, acting as a prize. This gamified approach is intended to accelerate learning motivation and foster a sense of accomplishment.
Soragaki is currently supported on iPads. It is designed for tablet use to facilitate the tracing and interactive learning experience.
The latest version of Soragaki is 1.2.4, which was last updated on April 27, 2021. This indicates a relatively infrequent update cycle.